Knit Saver Cables with lifeline holes are a great new addition to the HiyaHiya Interchangeable line! Lifelines are a fabulous way to protect your stitches while knitting complicated lace patterns. For use in conjunction with Hiya Hiya Interchangeable Needle tips. Small cable fits US 2-8 tips in SHARPs, Steel, and Bamboo.4" Tips- 11.5" cable makes a 18" needle. 5" Tips - 11.5 cable makes a 20" needle.